"...You shall indeed hear but never understand and you shall indeed see but never perceive". To which prophet did Paul attribute this saying?

On arrival in Rome, Paul first addressed 

The Jews asked Jesus whether they should pay tax or not because they wanted to 

Jesus began to teach his disciples about his suffering, rejection, crucifixion and resurrection after

"...Gor the Son of man also came not to be served but to serve, and to give his life as a ransom for many," This statement was made by Jesus